Activity of cercosporin and camptothecin on relative growth of B. cinerea wild-type strain B05.10 (+), reference transformant HR-9 (×), two Bcmfs1 replacement mutants, ΔBcmfs1-16 (•) and ΔBcmfs1-18 (▴), and Bcmfs1 overexpression mutants OV1-23(□), OV1-48 (○), and OV1-13 (▵).